Johnson, B. (1987). A world of difference. Johns Hopkins University Press.
Cita Chicago Style (17a ed.)Johnson, Barbara. A World of Difference. Baltimore [etc.]: Johns Hopkins University Press, 1987.
Cita MLA (9a ed.)Johnson, Barbara. A World of Difference. Johns Hopkins University Press, 1987.
Precaución: Estas citas no son 100% exactas.